1.The lights went down (Past Simple) and it was (Past Simple) difficult to find the seats in the theatre hall.
2.We were showing (Past continuous) our tickets to the usher when the second bell rang (Past Simple).The performance was going to(Past Continuous) start in three minutes.
3.When the curtain goes (Present Simple) up,you can (Present Simple) see the scenery on the stage.
4.The afternoon performance at the theatre usually starts(Present Simple) at one o'clock.
1.The lights went down (Past Simple) and it was (Past Simple) difficult to find the seats in the theatre hall.
2.We were showing (Past continuous) our tickets to the usher when the second bell rang (Past Simple).The performance was going to(Past Continuous) start in three minutes.
3.When the curtain goes (Present Simple) up,you can (Present Simple) see the scenery on the stage.
4.The afternoon performance at the theatre usually starts(Present Simple) at one o'clock.